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The present-day Arapaima is a sleek, broad-headed, large fish that can reach up to almost 15 feet in length. It dwells in the rivers of the Amazon Rainforest and relies on breathing air from the surface and consuming other fish. As climate change continues, and the waters of the Amazon continue to dry up and grow helplessly polluted, these adaptations will allow the Arapaima to survive. The Arapaima would grow powerful front and back legs and shrink considerably in size, allowing it to move effortlessly through the dense and rapidly changing jungle landscape. The Arapaima would develop a flexible jaw and sharp teeth that would allow it to eat land animals and have more leverage chewing to adapt to the change in its diet. Finally, the Arapaima would grow larger eyes, which would allow the newly - developed amphibian to thrive in dark landscapes to catch their prey.